- Oregon State University. Agricultural Experiment Station[remove]343
- Columbia Basin Agricultural Research Center32
- United States. Agricultural Research Service31
- Oregon State University. Malheur Experiment Station15
- Central Oregon Agricultural Research Center14
- Mack, H. J.13
- Baggett, James R.11
- Frazier, W. A.11
- Klamath County (Or.)11
- Oregon State University. Klamath Agricultural Experiment Station11
- Mason, Robert George8
- Bullock, Richard M. (Richard Melvin), 1918 7
- Cain, R. F. (Robert Farmer), 1917 20087
- Raleigh, Robert J.7
- Conklin, Frank S.6
- Crowell, H. H.6
- Duncan, Andrew A.6
- Eastern Oregon Agricultural Research Center6
- Bond, Carl E.5
- Brown, William G. (William Galen)5